Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation method of carbon and silicon carbide composite material

A carbon composite material and a composite material technology, which are applied in the field of carbon and silicon carbide composite material preparation, can solve the problems of low energy efficiency, high manufacturing cost, complicated process and the like, and achieve the effects of high precision, reduced preparation cost and simple preparation method.

Inactive Publication Date: 2015-03-11
CHONGQING XUXING CHEM
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After decades of research, there is still a big gap between our country and the developed countries in the preparation process of carbon and silicon carbide composite materials. There are mainly problems such as cumbersome process, high manufacturing cost, long cycle time and low energy efficiency.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of carbon and silicon carbide composite material

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0023] Such as figure 1 Shown, a kind of carbon and silicon carbide composite material preparation method, comprises the steps:

[0024] Carrying out chemical vapor deposition of carbon fiber or its fabric prefabricated reinforcement to obtain non-graphitized carbon / carbon composite material A;

[0025] Prefabricated reinforcement of carbon fiber or its fabric is impregnated with thermosetting resin, cured, and then cyclically carbonized to obtain non-graphitized carbon / carbon composite material B;

[0026] Carbon fiber or its fabric prefabricated reinforcement and pitch impregnated cyclic carbonization to obtain non-graphitized carbon / carbon composite material C;

[0027] Graphitizing the graphitized carbon / carbon composite material A, the non-graphitized carbon / carbon composite material B, and the non-graphitized carbon / carbon composite material C to obtain carbon and silicon carbide composite materials.

Embodiment 1

[0029] Chemical vapor deposition of carbon fiber or its fabric prefabricated reinforcement to obtain non-graphitized carbon / carbon composite material A; carbon fiber or its fabric prefabricated reinforcement is impregnated and cured with thermosetting resin, and then cyclic carbonization is carried out at a deposition temperature of 900°C to obtain an ungraphitized carbon / carbon composite material A. Graphitized carbon / carbon composite material B; carbon fiber or its fabric prefabricated reinforcement and pitch impregnated with cyclic carbonization at a deposition temperature of 900°C to obtain non-graphitized carbon / carbon composite material C; graphitized carbon / carbon composite material A, non-graphitized Carbon / carbon composite material B and non-graphitized carbon / carbon composite material C were graphitized at a deposition temperature of 2100°C to obtain carbon and silicon carbide composite materials.

Embodiment 2

[0031] Carbon fiber or its fabric prefabricated reinforcement is subjected to chemical vapor deposition to obtain non-graphitized carbon / carbon composite material A; carbon fiber or its fabric prefabricated reinforcement is impregnated with thermosetting resin, cured, and then cyclically carbonized at a deposition temperature of 1200°C to obtain a non-graphitized carbon / carbon composite material A. Graphitized carbon / carbon composite material B; carbon fiber or its fabric prefabricated reinforcement and pitch impregnated with cyclic carbonization at a deposition temperature of 1000°C to obtain non-graphitized carbon / carbon composite material C; graphitized carbon / carbon composite material A, non-graphitized Carbon / carbon composite material B and non-graphitized carbon / carbon composite material C are graphitized at a deposition temperature of 2500°C to obtain carbon and silicon carbide composite materials.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a preparation method of a carbon and silicon carbide composite material, wherein the preparation method comprises the following steps: carrying out chemical vapor deposition of a prefabricated reinforcement body of carbon fiber or fabrics thereof to obtain a non-graphitized carbon / carbon composite material A; impregnating the prefabricated reinforcement body of the carbon fiber or the fabrics thereof with a thermosetting resin, curing, then carrying out cyclic carbonation to obtain a non-graphitized carbon / carbon composite material B; impregnating the prefabricated reinforcement body of the carbon fiber or the fabrics thereof with asphalt, carrying out cyclic carbonization to obtain a non-graphitized carbon / carbon composite material C; carrying out graphitization treatment of the non-graphitized carbon / carbon composite material A, the non-graphitized carbon / carbon composite material B and the non-graphitized carbon / carbon composite material C to obtain the carbon and silicon carbide composite material. The preparation method is simple, is high in precision degree, makes full use of raw materials, and can fast and efficiently prepare the carbon and silicon carbide composite material.

Description

technical field [0001] The invention relates to the field of composite material preparation, in particular to a method for preparing carbon and silicon carbide composite materials. Background technique [0002] The silicon carbide material industry is a typical strategic emerging industry, which is related to national security and is irreplaceable. With the development of aviation, aerospace and national defense, the service conditions of materials are becoming more and more harsh, and higher requirements are placed on the performance of materials. my country's carbon / silicon carbide material research and development resources are abundant, and the industry has outstanding advantages. Many national-level scientific research units, enterprises and investors have invested a lot of manpower, material resources, and funds to fully develop. The carbon / silicon carbide material technology system has gradually formed and is entering rapid development. period. [0003] After decades...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/83C04B35/80C04B35/565C04B35/622
Inventor 周祖渝
Owner CHONGQING XUXING CHEM
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com